Path: utzoo!attcan!uunet!bu.edu!telecom-request From: kabra437@pallas.athenanet.com (Ken Abrams) Newsgroups: comp.dcom.telecom Subject: Re: Phone Dinging Around 2 AM Message-ID: Date: 27 Feb 91 19:43:24 GMT Sender: news@bu.edu.bu.edu Organization: Athenanet, Inc., Springfield, Illinois Lines: 22 Approved: Telecom@eecs.nwu.edu X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@eecs.nwu.edu X-Telecom-Digest: Volume 11, Issue 167, Message 2 of 11 In article think!barmar@bloom-beacon. mit.edu (Barry Margolin) writes: > On most nights, somewhere between 2 and 3 AM, my phone will > spontaneously emit two tiny rings (it has a real bell, not a tone > generator, and goes ding -- ding). > Does anyone have an idea what's causing this? Does NEw England Tel > send out some kind of test pulse that my phone (an AT&T Trimline 230) > is oversensitive to? Yes, in all probability, that is exactly what is happening. The test is called ALIT (Automatic Line Insulation Test). It makes two passes at the line. A slight adjustment on the bias spring in your phone ringer would probably eliminate the problem. If the problem is more exotic, the test can be programmed to skip individual lines. Ken Abrams uunet!pallas!kabra437 Illinois Bell kabra437@athenanet.com Springfield (voice) 217-753-7965